Cheapest return flights from Denver to Keflavik in January from 362€

AirHint found the following cheapest return flights from Denver (DEN) to Keflavik (KEF) in January 2026 (see full year).

Return flights

25 Jan - 01 Feb Icelandair direct
18 Jan - 25 Jan Icelandair direct
06 Jan - 13 Jan Icelandair direct
11 Jan - 18 Jan Icelandair direct
09 Jan - 16 Jan jetBlue
26 Jan - 02 Feb jetBlue
04 Jan - 17 Jan Frontier Airlines
13 Jan - 20 Jan Hawaiian Airlines
21 Jan - 28 Jan Hawaiian Airlines
22 Jan - 29 Jan Hawaiian Airlines
24 Jan - 31 Jan Hawaiian Airlines
27 Jan - 03 Feb Hawaiian Airlines
28 Jan - 04 Feb Hawaiian Airlines
29 Jan - 05 Feb Hawaiian Airlines
31 Jan - 07 Feb Hawaiian Airlines
12 Jan - 19 Jan jetBlue
30 Jan - 06 Feb Icelandair

Also check the deals for one-way flights from Denver to Keflavik in January.

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